/*
 * Copyright (c) 2007, 2015, Oracle and/or its affiliates. All rights reserved.
 * ORACLE PROPRIETARY/CONFIDENTIAL. Use is subject to license terms.
 */
/*
 * Copyright 1999-2005 The Apache Software Foundation.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
/*
 * $Id: Keywords.java,v 1.2.4.1 2005/09/14 19:46:01 jeffsuttor Exp $
 */
package com.sun.org.apache.xpath.internal.compiler;

import java.util.Hashtable;

/**
 * Table of strings to operation code lookups.
 *
 * @xsl.usage internal
 */
public class Keywords {

  /**
   * Table of keywords to opcode associations.
   */
  private static Hashtable m_keywords = new Hashtable();

  /**
   * Table of axes names to opcode associations.
   */
  private static Hashtable m_axisnames = new Hashtable();

  /**
   * Table of function name to function ID associations.
   */
  private static Hashtable m_nodetests = new Hashtable();

  /**
   * Table of node type strings to opcode associations.
   */
  private static Hashtable m_nodetypes = new Hashtable();

  /**
   * ancestor axes string.
   */
  private static final String FROM_ANCESTORS_STRING = "ancestor";

  /**
   * ancestor-or-self axes string.
   */
  private static final String FROM_ANCESTORS_OR_SELF_STRING =
      "ancestor-or-self";

  /**
   * attribute axes string.
   */
  private static final String FROM_ATTRIBUTES_STRING = "attribute";

  /**
   * child axes string.
   */
  private static final String FROM_CHILDREN_STRING = "child";

  /**
   * descendant-or-self axes string.
   */
  private static final String FROM_DESCENDANTS_STRING = "descendant";

  /**
   * ancestor axes string.
   */
  private static final String FROM_DESCENDANTS_OR_SELF_STRING =
      "descendant-or-self";

  /**
   * following axes string.
   */
  private static final String FROM_FOLLOWING_STRING = "following";

  /**
   * following-sibling axes string.
   */
  private static final String FROM_FOLLOWING_SIBLINGS_STRING =
      "following-sibling";

  /**
   * parent axes string.
   */
  private static final String FROM_PARENT_STRING = "parent";

  /**
   * preceding axes string.
   */
  private static final String FROM_PRECEDING_STRING = "preceding";

  /**
   * preceding-sibling axes string.
   */
  private static final String FROM_PRECEDING_SIBLINGS_STRING =
      "preceding-sibling";

  /**
   * self axes string.
   */
  private static final String FROM_SELF_STRING = "self";

  /**
   * namespace axes string.
   */
  private static final String FROM_NAMESPACE_STRING = "namespace";

  /**
   * self axes abreviated string.
   */
  private static final String FROM_SELF_ABBREVIATED_STRING = ".";

  /**
   * comment node test string.
   */
  private static final String NODETYPE_COMMENT_STRING = "comment";

  /**
   * text node test string.
   */
  private static final String NODETYPE_TEXT_STRING = "text";

  /**
   * processing-instruction node test string.
   */
  private static final String NODETYPE_PI_STRING = "processing-instruction";

  /**
   * Any node test string.
   */
  private static final String NODETYPE_NODE_STRING = "node";

  /**
   * Wildcard element string.
   */
  private static final String NODETYPE_ANYELEMENT_STRING = "*";

  /**
   * current function string.
   */
  public static final String FUNC_CURRENT_STRING = "current";

  /**
   * last function string.
   */
  public static final String FUNC_LAST_STRING = "last";

  /**
   * position function string.
   */
  public static final String FUNC_POSITION_STRING = "position";

  /**
   * count function string.
   */
  public static final String FUNC_COUNT_STRING = "count";

  /**
   * id function string.
   */
  static final String FUNC_ID_STRING = "id";

  /**
   * key function string (XSLT).
   */
  public static final String FUNC_KEY_STRING = "key";

  /**
   * local-name function string.
   */
  public static final String FUNC_LOCAL_PART_STRING = "local-name";

  /**
   * namespace-uri function string.
   */
  public static final String FUNC_NAMESPACE_STRING = "namespace-uri";

  /**
   * name function string.
   */
  public static final String FUNC_NAME_STRING = "name";

  /**
   * generate-id function string (XSLT).
   */
  public static final String FUNC_GENERATE_ID_STRING = "generate-id";

  /**
   * not function string.
   */
  public static final String FUNC_NOT_STRING = "not";

  /**
   * true function string.
   */
  public static final String FUNC_TRUE_STRING = "true";

  /**
   * false function string.
   */
  public static final String FUNC_FALSE_STRING = "false";

  /**
   * boolean function string.
   */
  public static final String FUNC_BOOLEAN_STRING = "boolean";

  /**
   * lang function string.
   */
  public static final String FUNC_LANG_STRING = "lang";

  /**
   * number function string.
   */
  public static final String FUNC_NUMBER_STRING = "number";

  /**
   * floor function string.
   */
  public static final String FUNC_FLOOR_STRING = "floor";

  /**
   * ceiling function string.
   */
  public static final String FUNC_CEILING_STRING = "ceiling";

  /**
   * round function string.
   */
  public static final String FUNC_ROUND_STRING = "round";

  /**
   * sum function string.
   */
  public static final String FUNC_SUM_STRING = "sum";

  /**
   * string function string.
   */
  public static final String FUNC_STRING_STRING = "string";

  /**
   * starts-with function string.
   */
  public static final String FUNC_STARTS_WITH_STRING = "starts-with";

  /**
   * contains function string.
   */
  public static final String FUNC_CONTAINS_STRING = "contains";

  /**
   * substring-before function string.
   */
  public static final String FUNC_SUBSTRING_BEFORE_STRING =
      "substring-before";

  /**
   * substring-after function string.
   */
  public static final String FUNC_SUBSTRING_AFTER_STRING = "substring-after";

  /**
   * normalize-space function string.
   */
  public static final String FUNC_NORMALIZE_SPACE_STRING = "normalize-space";

  /**
   * translate function string.
   */
  public static final String FUNC_TRANSLATE_STRING = "translate";

  /**
   * concat function string.
   */
  public static final String FUNC_CONCAT_STRING = "concat";

  /**
   * system-property function string.
   */
  public static final String FUNC_SYSTEM_PROPERTY_STRING = "system-property";

  /**
   * function-available function string (XSLT).
   */
  public static final String FUNC_EXT_FUNCTION_AVAILABLE_STRING =
      "function-available";

  /**
   * element-available function string (XSLT).
   */
  public static final String FUNC_EXT_ELEM_AVAILABLE_STRING =
      "element-available";

  /**
   * substring function string.
   */
  public static final String FUNC_SUBSTRING_STRING = "substring";

  /**
   * string-length function string.
   */
  public static final String FUNC_STRING_LENGTH_STRING = "string-length";

  /**
   * unparsed-entity-uri function string (XSLT).
   */
  public static final String FUNC_UNPARSED_ENTITY_URI_STRING =
      "unparsed-entity-uri";

  // Proprietary, built in functions

  /**
   * current function string (Proprietary).
   */
  public static final String FUNC_DOCLOCATION_STRING = "document-location";

  static {
    m_axisnames.put(FROM_ANCESTORS_STRING,
        new Integer(OpCodes.FROM_ANCESTORS));
    m_axisnames.put(FROM_ANCESTORS_OR_SELF_STRING,
        new Integer(OpCodes.FROM_ANCESTORS_OR_SELF));
    m_axisnames.put(FROM_ATTRIBUTES_STRING,
        new Integer(OpCodes.FROM_ATTRIBUTES));
    m_axisnames.put(FROM_CHILDREN_STRING,
        new Integer(OpCodes.FROM_CHILDREN));
    m_axisnames.put(FROM_DESCENDANTS_STRING,
        new Integer(OpCodes.FROM_DESCENDANTS));
    m_axisnames.put(FROM_DESCENDANTS_OR_SELF_STRING,
        new Integer(OpCodes.FROM_DESCENDANTS_OR_SELF));
    m_axisnames.put(FROM_FOLLOWING_STRING,
        new Integer(OpCodes.FROM_FOLLOWING));
    m_axisnames.put(FROM_FOLLOWING_SIBLINGS_STRING,
        new Integer(OpCodes.FROM_FOLLOWING_SIBLINGS));
    m_axisnames.put(FROM_PARENT_STRING,
        new Integer(OpCodes.FROM_PARENT));
    m_axisnames.put(FROM_PRECEDING_STRING,
        new Integer(OpCodes.FROM_PRECEDING));
    m_axisnames.put(FROM_PRECEDING_SIBLINGS_STRING,
        new Integer(OpCodes.FROM_PRECEDING_SIBLINGS));
    m_axisnames.put(FROM_SELF_STRING,
        new Integer(OpCodes.FROM_SELF));
    m_axisnames.put(FROM_NAMESPACE_STRING,
        new Integer(OpCodes.FROM_NAMESPACE));
    m_nodetypes.put(NODETYPE_COMMENT_STRING,
        new Integer(OpCodes.NODETYPE_COMMENT));
    m_nodetypes.put(NODETYPE_TEXT_STRING,
        new Integer(OpCodes.NODETYPE_TEXT));
    m_nodetypes.put(NODETYPE_PI_STRING,
        new Integer(OpCodes.NODETYPE_PI));
    m_nodetypes.put(NODETYPE_NODE_STRING,
        new Integer(OpCodes.NODETYPE_NODE));
    m_nodetypes.put(NODETYPE_ANYELEMENT_STRING,
        new Integer(OpCodes.NODETYPE_ANYELEMENT));
    m_keywords.put(FROM_SELF_ABBREVIATED_STRING,
        new Integer(OpCodes.FROM_SELF));
    m_keywords.put(FUNC_ID_STRING,
        new Integer(FunctionTable.FUNC_ID));
    m_keywords.put(FUNC_KEY_STRING,
        new Integer(FunctionTable.FUNC_KEY));

    m_nodetests.put(NODETYPE_COMMENT_STRING,
        new Integer(OpCodes.NODETYPE_COMMENT));
    m_nodetests.put(NODETYPE_TEXT_STRING,
        new Integer(OpCodes.NODETYPE_TEXT));
    m_nodetests.put(NODETYPE_PI_STRING,
        new Integer(OpCodes.NODETYPE_PI));
    m_nodetests.put(NODETYPE_NODE_STRING,
        new Integer(OpCodes.NODETYPE_NODE));
  }

  static Object getAxisName(String key) {
    return m_axisnames.get(key);
  }

  static Object lookupNodeTest(String key) {
    return m_nodetests.get(key);
  }

  static Object getKeyWord(String key) {
    return m_keywords.get(key);
  }

  static Object getNodeType(String key) {
    return m_nodetypes.get(key);
  }
}
